package org.apache.commons.pool2.impl;

import java.io.PrintWriter;

/**
 * 类的描述
 *
 * @author ztkool
 * @version v
 */
public class NoOpCallStack implements CallStack {
    public static final CallStack INSTANCE = new NoOpCallStack();

    private NoOpCallStack() {
    }

    @Override
    public boolean printStackTrace(PrintWriter writer) {
        return false;
    }

    @Override
    public void fillInStackTrace() {
    }

    @Override
    public void clear() {
    }
}
